Update support.py

Author: Kazuki Suzuki Przyborowski

upcean/support.py

@@ -230,7 +230,7 @@ def check_for_magick():
         magicksupport = False
         return False
 
-if(enable_magicksupport):
+if(enable_pgmagicksupport):
     def check_for_pgmagick():
         pgmagicksupport = True
         try: